unisonic technologies co., ltd u74lvc1g240 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2016 unisonic technologies co., ltd qw-r126-036 .a single buffer/driver with 3-state output ? description the u74lvc1g240 is a single line driver with a 3-state output. the output is disabled when the output-enable ( oe ) input is high. to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pullup resistor, the minimum value of the resistor is determined by the current-sinking capability of the driver. ? features * wide supply voltage range from 1.65v to 5.5v * inputs accept voltages up to 5.5v * i off supports partial-power-down mode * low static power consumption; i cc =10 a (max.) ? ordering information ordering number package packing U74LVC1G240G-AL5-R sot-353 tape reel ? marking
u74lvc1g240 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r126-036 .a ? pin configuration 5 4 1 3 y agnd v cc 2 oe ? function table input( oe ) input(a) output(y) l h l l l h h x z note: h: high voltage leve l; l: low voltage level. ? logic diagram (positive logic) logic symbol
u74lvc1g240 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r126-036 .a ? absolute maximum rating parameter symbol conditions ratings unit supply voltage v cc -0.5 ~ +6.5 v input voltage v in -0.5 ~ +6.5 v output in the high or low state -0.5 ~ v cc +0.5 v output voltage v out output in the power-off state -0.5 ~ +6.5 v continuous v cc or gnd current i cc 100 ma continuous output current i out v out =0v ~ v cc 50 ma input clamp current i ik v in <0v -50 ma output clamp current i ok v out >v cc or v out <0v -50 ma storage temperature range t stg -65 ~ +150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions parameter symbol test conditions min typ max unit operating 1.65 5.5 v supply voltage v cc data retention only 1.5 v input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v operating temperature t a -40 85 c v cc =1.8v0.15v, 2.5v0.2v 20 ns/v v cc =3.3v0.3v 10 ns/v input transition rise or fall rate ? t/ ? v v cc =5v0.5v 5 ns/v ? electrical characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit v cc =1.80.15v 0.65v cc v v cc =2.50.2v 1.7 v v cc =3.30.3v 2 v high-level input voltage v ih v cc =50.5v 0.7v cc v v cc =1.80.15v 0.35v cc v v cc =2.50.2v 0.7 v v cc =3.30.3v 0.8 v low-level input voltage v il v cc =50.5v 0.3v cc v v cc =1.65 ~ 5.5v, i oh =-100 a v cc -0.1 v v cc =1.65v, i oh =-4ma 1.2 v v cc =2.3v, i oh =-8ma 1.9 v i oh =-16ma 2.4 v v cc =3.0v i oh =-24ma 2.3 v high-level output voltage v oh v cc =4.5v, i oh =-32ma 3.8 v v cc =1.65 ~ 5.5v, i oh =100 a 0.1 v v cc =1.65v, i oh =4ma 0.45 v v cc =2.3v, i oh =8ma 0.3 v i oh =16ma 0.4 v v cc =3.0v i oh =24ma 0.55 v low-level output voltage v ol v cc =4.5v, i oh =32ma 0.55 v input leakage current i i(leak) v cc =0 ~ 5.5v, v in =5.5v or gnd 5 a power off leakage current i off v cc =0v, v in or v out =5.5v 10 a off-state output current i oz v cc =3.6v, v in = v ih or v il , v out =5.5v or gnd 10 a
u74lvc1g240 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r126-036 .a ? electrical characteristics (cont.) parameter symbol test conditions min typ max unit quiescent supply current i cc v cc =1.65 ~ 5.5v, v in =v cc or gnd, i out =0 10 a a dditional quiescent supply current per input pin ? i cc v cc =3 ~ 5.5v, one input at v cc -0.6v, other inputs at v cc or gnd 500 a input capacitance c i v cc =3.3v, v in =v cc or gnd 4.0 pf ? switching characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit v cc =1.8v0.15v 2.1 6.9 ns v cc =2.5v0.2v 0.9 4.6 ns v cc =3.3v0.3v 0.7 3.7 ns c l =15pf r l =1m ? v cc =5.0v0.5v 0.5 3.4 ns c l =30pf, r l =1k ? v cc =1.8v0.15v 3 8.6 ns c l =30pf r l =500 ? v cc =2.5v0.2v 1.4 5.5 ns v cc =3.3v0.3v 1.1 4.5 ns propagation delay from input (a) to output(y) t pd c l =50pf r l =500 ? v cc =5.0v0.5v 1 4 ns c l =30pf, r l =1k ? v cc =1.8v0.15v 3.8 10 ns c l =30pf r l =500 ? v cc =2.5v0.2v 2.1 6.5 ns v cc =3.3v0.3v 1.4 5.4 ns propagation delay from input ( oe ) to output(y) t en c l =50pf r l =500 ? v cc =5.0v0.5v 1.1 5.2 ns c l =30pf, r l =1k ? v cc =1.8v0.15v 2.1 9.4 ns c l =30pf r l =500 ? v cc =2.5v0.2v 1 4.9 ns v cc =3.3v0.3v 1.4 5.2 ns propagation delay from input ( oe ) to output(y) t dis c l =50pf r l =500 ? v cc =5.0v0.5v 1 4.1 ns ? operating characteristics (f=10mhz, t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit v cc =1.8v 17 pf v cc =2.5v 17 pf v cc =3.3v 18 pf output enabled v cc =5v 20 pf v cc =1.8v 1 pf v cc =2.5v 1 pf v cc =3.3v 1 pf power dissipation capacitance output disabled c pd v cc =5v 3 pf
u74lvc1g240 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r126-036 .a ? test circuit and waveforms note: c l includes probe and jig capacitance. v cc v in t r / t f v m v load c l r l v 1.8v0.15v v cc 2ns v cc /2 2v cc 30pf 1k ? 0.15v 2.5v0.2v v cc 2ns v cc /2 2v cc 30pf 500 ? 0.15v 3.3v0.3v 3v 2.5ns 1.5v 6v 50pf 500 ? 0.3v 5v0.5v v cc 2.5ns v cc /2 2v cc 50pf 500 ? 0.3v timing input v m v in 0v v in 0v v m v m data input v in 0v v m v m v m v m v m v m v in 0v v oh v ol v m v m v in 0v v m v ol +v v m v oh -v 0v v oh v load /2 v ol input output output output input t plh t phl input t w t su t h t pzl t plz t pzh t phz t plh t phl v oh v ol output v m v m notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generators having the following characteristics: prr 10mhz, z o = 50 ? . utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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